Wireless doorbell



FIG. 1 is a front perspective view of a wireless doorbell according to my new design;

FIG. 2 is a front plan view of the wireless doorbell shown in FIG. 1;

FIG. 3 is a rear plan view of the wireless doorbell shown in FIG. 1;

FIG. 4 is a top side plan view of the wireless doorbell shown in FIG. 1;

FIG. 5 is a bottom plan view of the wireless doorbell shown in FIG. 1;

FIG. 6 is a left end plan view of the wireless doorbell shown in FIG. 1; and,

FIG. 7 is a right end plan view of a wireless doorbell shown in FIG. 1. 

CLAIM The ornamental design of a wireless doorbell, as shown and described. 